A polar vortex, a massive pocket of frigid air that ... For the Philadelphia suburbs and Delaware, frigid conditions will bring freezing overnight lows and the potential for icy roads ...

Louisiana is forecasted to have a potential winter storm bringing a surge of cold air late Sunday into early next week.

A polar vortex, a massive pocket of frigid air that ... temps south and impact up to 40 states across the U.S., including Delaware, meteorologists with AccuWeather said. The National Weather ...